# How Machine Learning Classification Accuracy Changes in a Happiness Dataset with Different Demographic Groups

> Research article (Computers, 2022) · cited 25× · AI/ML

**Wikidata**: [openalex:W4281382177](https://www.wikidata.org/wiki/openalex:W4281382177)  
**Source**: https://4ort.xyz/entity/how-machine-learning-classification-accuracy-changes-in-a-happiness-dataset-with-different-demographic-groups